US7971803B1 - Portable sprayer having automated pressurizing means - Google Patents
Portable sprayer having automated pressurizing means Download PDFInfo
- Publication number
- US7971803B1 US7971803B1 US12/429,268 US42926809A US7971803B1 US 7971803 B1 US7971803 B1 US 7971803B1 US 42926809 A US42926809 A US 42926809A US 7971803 B1 US7971803 B1 US 7971803B1
- Authority
- US
- United States
- Prior art keywords
- canister
- liquid reservoir
- sprayer
- reservoir
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
- B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/007—At least a part of the apparatus, e.g. a container, being provided with means, e.g. wheels, for allowing its displacement relative to the ground
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/08—Apparatus to be carried on or by a person, e.g. of knapsack type
- B05B9/0805—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material
- B05B9/0811—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container
- B05B9/0816—Apparatus to be carried on or by a person, e.g. of knapsack type comprising a pressurised or compressible container for liquid or other fluent material comprising air supplying means actuated by the operator to pressurise or compress the container the air supplying means being a manually actuated air pump
Definitions
- the present invention relates to the field of portable sprayers, more specifically, a portable sprayer that has a pressurizing means integrated into the design of the sprayer for use in spraying a liquid such as a pesticide, insecticide, or herbicide.
- the Bridges Patent (U.S. Pat. No. 4,135,669) discloses a portable electric sprayer with a pressurized canister and a located above the canister, as opposed to a compressing means integrated into the bottom of the canister. Also, the electric sprayer does not have fold out wheels that extend out from the bottom or an optional manual pump integrated into the top of the canister in the event that the powering means becomes unavailable.
- the Grassi Patent U.S. Pat. No. 6,135,361 discloses an electric garden-spraying device for spraying fertilizer, pesticide, herbicide, and other liquids from a pressurized canister. Though the sprayer has the pressurizing means located below the canister, the sprayer does not have wheels that extend and retract from the bottom of the sprayer. Also, the sprayer does not come with an optional manual pump for use when the powering means of the pressurizing means is not available.
- the Hopkins Patent (U.S. Pat. No. 3,265,308) discloses a yard and garden-spraying device that is portable with a dolly and an electric pressurized canister. However, the dolly of the garden-spraying device is not integrated into the bottom of the canister and capable of extending to and from the bottom.
- the Fisher Patent U.S. Pat. No. 6,003,787 discloses an electric pesticide spraying apparatus that includes a pump for pressurizing the canister or container that houses the liquid to be sprayed.
- the spraying apparatus does not have the pressurizing means integrated into the bottom of the canister, but rather attached via a flexible hose.
- the pressurizing means are not portably powered.
- the Ye et al. Patent (U.S. Pat. No. 7,182,280) discloses a power-spraying unit that is powered by a rechargeable battery and that sprays a pressurized liquid.
- the power-spraying unit does not include a canister with wheels that extend from beneath the canister for mobility purposes.
- the power-spraying unit relies on a rechargeable battery to power the pressurizing means, and does not come with an optional manual pump for use when the powering means are not available.
- the Gianino Patent U.S. Pat. No. 5,931,207 discloses a portable home and garden spraying device that has an electric pump on the top with a rechargeable battery for pressurizing the canister to assist in delivering the liquid to the wand.
- the spraying device does not have the compressing means integrated into the bottom of the canister.
- the spraying device does not include fold out wheels along the base to increase the overall mobility of the sprayer.
- the portable sprayer having automated pressurizing means includes a canister, air compressor, and battery compartment.
- a pair of fold out wheels can extend and retract from underneath the canister to improve the overall mobility of the sprayer.
- the canister includes an optional manual pump to use in the event the batteries lose their charge.
- a cover screws onto a top of the canister to enable refilling of the canister.
- An object of the invention is to provide a portable sprayer that has an automated pressurizing means integrated into the bottom of the canister.
- a further object of the invention is to provide a portable sprayer with wheels that fold out from below the canister in order to add mobility to the canister when filled with a liquid.
- a further object of the invention is to provide an optional manual pump integrated into the design of the canister such that the pump can be used in the event that the powering means for the pressurizing means is not available.
- the portable sprayer having automated pressurizing means is not limited in its applications to the details of construction and arrangements of the components set forth in the following description or illustration. Those skilled in the art will appreciate that the concept of this disclosure may be readily utilized as a basis for the design of other structures, methods, and systems for carrying out the several purposes of the portable sprayer having automated pressurizing means.
- FIG. 1 illustrates an isometric view of the portable sprayer
- FIG. 2 illustrates a front view of the portable sprayer
- FIG. 3 illustrates a cross-sectional view of the portable prayer along line 3 - 3 in FIG. 2 ;
- FIG. 4 illustrates a cross-sectional view of the portable sprayer along line 4 - 4 in FIG. 2 ;
- FIG. 4A illustrates a detailed cut-away view of the power prayer with a plurality of LED bars that would illuminate to reflect the percentage of charge remaining in the batteries;
- FIG. 5 illustrates a cut-away of an alternative embodiment containing the fold out wheels and arrows indicating movement of the manual pump.
- a portable sprayer having automated pressurizing means 10 includes a canister 11 , a screw on cover 12 , a pressurizing means 13 , a sprayer wand 14 , a fill gage 15 , and a pressure gage 15 A.
- the screw on cover 12 has a handle 12 A for use in transporting the invention 10 around.
- the screw on cover 12 has internal threading 12 B that corresponds to external threading 11 A located at the top opening of the canister 11 .
- the screw on cover 12 also enables refilling of a liquid 30 into the invention 10 .
- the pressurizing means 13 includes an air compressor 13 A, a plurality of batteries 13 B, a control unit 13 B′, an airline 13 C.
- the airline 1 C connects to the output of the air compressor 13 A, and enters into a liquid reservoir 113 of the canister 11 via a seal 13 D.
- a relief valve 16 Located near the top of the canister 11 are a relief valve 16 , an on/off switch 17 , green indicator LED 18 , a yellow indicator LED 19 , and a red indicator LED 20 .
- the relief valve 16 is positioned near the top of the canister 11 in order to enable excess pressure egress from the liquid reservoir 118 as a safety precaution.
- the green indicator LED 18 indicates that the batteries 13 B are fully charged; the yellow indicator LED 19 indicates that the batteries 13 B are partially charged; and the red indicator LED 20 indicates that the batteries 13 B are almost empty of a charge.
- the on/off switch 17 is wiredly connected to the plurality of batteries 13 B via a wire 13 E that passes through the liquid reservoir 11 B and into the pressuring means 13 via a seal 13 D.
- the green, yellow, and red indicator LEDs 18 - 20 only operate when the on/off switch 17 is turned on in an effort to prevent unnecessary waste of the batteries 13 B charge. Furthermore, the LEDs 18 - 20 will illuminate for a short period of time, such as 5 to 10 seconds, upon initially turning the on/off switch 17 to the “on” position in order to eliminate wasted battery charge from continuous operation.
- LEDs 18 - 20 may be replaced with a series of LED bars (see FIG. 4A ) that illuminate to represent the percentage of charge remaining in the batteries 13 B.
- the batteries 13 B may comprise a plurality of disposable batteries, a plurality of rechargeable batteries, or a rechargeable battery pack.
- the pressurizing means 13 are located at a bottom reservoir 11 C positioned in the bottom of the canister 11 . Furthermore, the pressurizing means 13 are accessible via a bottom cover 21 .
- the pressure gage 15 A doubles as a regulator in that it indicates the actual pressure inside of the canister 11 , but also relays said information via a wire 15 A′ to the control unit 13 B′.
- the control unit 133 ′ monitors the pressure inside of the canister 11 , and will turn on/off the compressor 13 A in order to maintain adequate pressure inside of the canister 11 .
- the use of the pressure gage 15 A in concert with the control unit 13 B′ insures that the batteries 13 B are not over used by simply continuously running the compressor 13 A.
- the airline 13 C connects to the output of the air compressor 13 A and pumps in compressed air into the liquid reservoir 11 B, thus imposing a pressure upon the liquid 30 located in the liquid reservoir 11 B.
- the liquid 30 being under pressure, enters into a fluid line 14 A, and along the sprayer wand 14 where said liquid 30 is released upon operating a valve 14 B located at the end of the sprayer wand 14 .
- the fluid line 14 A passes through the liquid reservoir 11 B via a seal 14 C.
- an alternative embodiment 50 includes all of the features of the invention 10 described above with the inclusion of some additional features that are herein considered novel in light of the prior art.
- a plurality of fold out wheels 51 can extend from the bottom of the canister 11 .
- the fold out wheels 51 rotates about a pivot point 51 A, and can be locked under the canister 11 via a wheel storage clip 51 B.
- the canister 11 has a groove 51 C to enable full rotation of the fold out wheels 51 from under the canister 11 .
- the wheel storage clip 51 B extends from the bottom cover 21 and locks the fold out wheels 51 under the canister 11 .
- a manual pump 52 extends through the screw top cover 12 and replaces the handle 12 A.
- the manual pump 52 provides an alternative pressurizing means for the alternative embodiment 50 in the event the batteries 13 B lose their charge.
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Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/429,268 US7971803B1 (en) | 2009-04-24 | 2009-04-24 | Portable sprayer having automated pressurizing means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/429,268 US7971803B1 (en) | 2009-04-24 | 2009-04-24 | Portable sprayer having automated pressurizing means |
Publications (1)
Publication Number | Publication Date |
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US7971803B1 true US7971803B1 (en) | 2011-07-05 |
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Application Number | Title | Priority Date | Filing Date |
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US12/429,268 Expired - Fee Related US7971803B1 (en) | 2009-04-24 | 2009-04-24 | Portable sprayer having automated pressurizing means |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130219933A1 (en) * | 2012-02-23 | 2013-08-29 | Robert Hubert | Evaporative cooling apparatus and methods |
GB2511598A (en) * | 2012-12-14 | 2014-09-10 | Cosda Mfg Company | Fluid supplying device |
USD713931S1 (en) | 2013-01-09 | 2014-09-23 | Central Garden & Pet Company | Sprayer |
US8985482B1 (en) * | 2007-11-09 | 2015-03-24 | Fore front Product Design, LLC | Portable pressurized sprayer |
US9706885B1 (en) * | 2016-12-13 | 2017-07-18 | Shayma S. J. M. Alhuraibi | Water dispenser for personal hygiene |
USD800253S1 (en) * | 2016-01-18 | 2017-10-17 | Goizper, S.Coop. | Sprayer |
USD869609S1 (en) | 2018-03-14 | 2019-12-10 | Goizper, S. Coop. | Part of sprayers |
US10532370B2 (en) * | 2015-10-20 | 2020-01-14 | Phillip B. Schrum | Portable pressurized sprayer |
USD989233S1 (en) * | 2023-04-10 | 2023-06-13 | Shenzhen Palaza Technology Co., Ltd. | Portable shower |
USD1005448S1 (en) * | 2023-05-30 | 2023-11-21 | Xintao Yin | Electric sprayer |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265308A (en) | 1964-03-16 | 1966-08-09 | Homer W Hopkins | Yard and garden spray device |
US4135669A (en) | 1977-08-30 | 1979-01-23 | Bridges Edward B | Portable, wheeled electric sprayer with pressurized liquid reservoir |
USD254321S (en) | 1977-07-11 | 1980-02-26 | Leigh Products, Inc. | Portable powered sprayer |
US4925105A (en) * | 1989-04-14 | 1990-05-15 | Lin Hsien C | Rechargeable garden sprayer |
US5752661A (en) * | 1995-07-10 | 1998-05-19 | Lewis; Kit R. | Motorized pump backpack liquid sprayer |
US5931207A (en) | 1997-03-05 | 1999-08-03 | Gianino; Rosario N. | Portable home and garden sprayer, power unit |
US6003787A (en) | 1997-05-02 | 1999-12-21 | Cal-Ag Industrial Supply, Inc. | Insecticide spray apparatus |
US6109548A (en) * | 1999-07-01 | 2000-08-29 | George; Vernon | Sprayer system |
US6135361A (en) | 1999-06-24 | 2000-10-24 | Grassi; Aron J. | Garden sprayer |
US7182280B2 (en) | 2003-05-19 | 2007-02-27 | Jinhua Jinshun Tools Co., Ltd. | DC power spraying tool |
US7234653B2 (en) * | 2003-09-12 | 2007-06-26 | Powell Bruce B | Portable self-contained misting system |
US7513444B1 (en) * | 2006-10-16 | 2009-04-07 | Smk Industries, Inc. | Portable spraying apparatus for buckets or the like |
US7753290B2 (en) * | 2002-10-15 | 2010-07-13 | Innovative Cleaning Equipment, Inc. | Portable powered foaming sprayer |
-
2009
- 2009-04-24 US US12/429,268 patent/US7971803B1/en not_active Expired - Fee Related
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3265308A (en) | 1964-03-16 | 1966-08-09 | Homer W Hopkins | Yard and garden spray device |
USD254321S (en) | 1977-07-11 | 1980-02-26 | Leigh Products, Inc. | Portable powered sprayer |
US4135669A (en) | 1977-08-30 | 1979-01-23 | Bridges Edward B | Portable, wheeled electric sprayer with pressurized liquid reservoir |
US4925105A (en) * | 1989-04-14 | 1990-05-15 | Lin Hsien C | Rechargeable garden sprayer |
US5752661A (en) * | 1995-07-10 | 1998-05-19 | Lewis; Kit R. | Motorized pump backpack liquid sprayer |
US5931207A (en) | 1997-03-05 | 1999-08-03 | Gianino; Rosario N. | Portable home and garden sprayer, power unit |
US6003787A (en) | 1997-05-02 | 1999-12-21 | Cal-Ag Industrial Supply, Inc. | Insecticide spray apparatus |
US6135361A (en) | 1999-06-24 | 2000-10-24 | Grassi; Aron J. | Garden sprayer |
US6109548A (en) * | 1999-07-01 | 2000-08-29 | George; Vernon | Sprayer system |
US7753290B2 (en) * | 2002-10-15 | 2010-07-13 | Innovative Cleaning Equipment, Inc. | Portable powered foaming sprayer |
US7182280B2 (en) | 2003-05-19 | 2007-02-27 | Jinhua Jinshun Tools Co., Ltd. | DC power spraying tool |
US7234653B2 (en) * | 2003-09-12 | 2007-06-26 | Powell Bruce B | Portable self-contained misting system |
US7513444B1 (en) * | 2006-10-16 | 2009-04-07 | Smk Industries, Inc. | Portable spraying apparatus for buckets or the like |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8985482B1 (en) * | 2007-11-09 | 2015-03-24 | Fore front Product Design, LLC | Portable pressurized sprayer |
US10112204B2 (en) | 2007-11-09 | 2018-10-30 | Forefront Product Design, Llc | Portable pressurized sprayer |
US20130219933A1 (en) * | 2012-02-23 | 2013-08-29 | Robert Hubert | Evaporative cooling apparatus and methods |
GB2511598A (en) * | 2012-12-14 | 2014-09-10 | Cosda Mfg Company | Fluid supplying device |
GB2511598B (en) * | 2012-12-14 | 2017-07-19 | Cosda Mfg Company | Fluid supplying device |
USD713931S1 (en) | 2013-01-09 | 2014-09-23 | Central Garden & Pet Company | Sprayer |
US10532370B2 (en) * | 2015-10-20 | 2020-01-14 | Phillip B. Schrum | Portable pressurized sprayer |
USD800253S1 (en) * | 2016-01-18 | 2017-10-17 | Goizper, S.Coop. | Sprayer |
US9706885B1 (en) * | 2016-12-13 | 2017-07-18 | Shayma S. J. M. Alhuraibi | Water dispenser for personal hygiene |
USD869609S1 (en) | 2018-03-14 | 2019-12-10 | Goizper, S. Coop. | Part of sprayers |
USD989233S1 (en) * | 2023-04-10 | 2023-06-13 | Shenzhen Palaza Technology Co., Ltd. | Portable shower |
USD1005448S1 (en) * | 2023-05-30 | 2023-11-21 | Xintao Yin | Electric sprayer |
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